On Wed, Jun 24, 2009 at 5:53 AM, Eric<eric225125@xxxxxxxxx> wrote: > I have been having problems for the past few months where when I'm > doing moderately disk intensive activities (such as downloading a git tree, > using a virtual machine), I will get 1-2min periods where basically nothing > can access the disk. > > By watching /proc/meminfo, I can see my dirty memory gradually growing > during these disk intensive activities until it gets very > large (several 100MB), then my system will be unresponsive until it all > goes through writeback. This same behavior can be reproduced by manually > running "sync" when the dirty memory is fairly large. > > Has anyone else experienced these problems? I noticed that some major > changes were made to how Reiser4 uses dirty memory > (http://lkml.org/lkml/2009/2/13/106). I believe I started seeing > this problem around that time. Could that have caused it? > Similar simptoms were noticed a year or so ago, but when using atime. Can you reproduce it if you mount your partition with noatime? Can you make some way to reliably reproduce it? > (Sorry for my vague and probably inaccurate description of the problem; > I know very little about virtual memory and file systems). > Welcome to the club :) Thanks Dushan -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html